src/lib/elm_dialoguegroup.c

   1 #include <Elementary.h>
   2 #include "elm_priv.h"
   3 #include <Ecore.h>
   4
   5 /**
   6  * @defgroup DialogueGroup DialogueGroup
   7  * @ingroup Elementary
   8  *
   9  * Using dialoguegroup, you can make a dialogue group.
  10  */
  11
  12 struct _Dialogue_Item
  13 {
  14         Evas_Object *parent;
  15         Evas_Object *bg_layout;
  16         Evas_Object *content;
  17         Elm_Dialoguegroup_Item_Style style;
  18         const char *location;
  19         Eina_Bool press;
  20 //      Eina_Bool line_show;
  21 };
  22
  23
  24 typedef struct _Widget_Data Widget_Data;
  25 struct _Widget_Data
  26 {
  27         Evas_Object *parent;
  28         Evas *e;
  29         Evas_Object *box;
  30         Evas_Object *title_layout;
  31         const char *title;
  32         unsigned int num;
  33         Eina_List *items;
  34 };
  35
  36 static const char*widtype = NULL;
  37
  38 static void _del_hook(Evas_Object *obj);
  39 static void _theme_hook(Evas_Object *obj);
  40 static void _sizing_eval(Evas_Object *obj);
  41 static void _disable_hook(Evas_Object *obj);
  42
  43 static void _remove_all(Evas_Object *obj);
  44 static void _set_item_theme(Dialogue_Item *item, const char *location);
  45 static void _change_item_bg(Dialogue_Item *item, const char *location);
  46 static Dialogue_Item* _create_item(Evas_Object *obj, Evas_Object *subobj, Elm_Dialoguegroup_Item_Style style, const char *location);
  47
  48
  49 static void
  50 _del_hook(Evas_Object *obj)
  51 {
  52         Widget_Data *wd = elm_widget_data_get(obj);
  53
  54         if (!wd) return;
  55         if (wd->title) eina_stringshare_del(wd->title);
  56
  57         _remove_all(obj);
  58
  59         if (wd->box){
  60                 evas_object_del(wd->box);
  61                 wd->box = NULL;
  62         }
  63
  64         free(wd);
  65 }
  66
  67
  68 static void
  69 _theme_hook(Evas_Object *obj)
  70 {
  71         Widget_Data *wd = elm_widget_data_get(obj);
  72         Eina_List *l;
  73         Dialogue_Item *item;
  74
  75         if (!wd) return;
  76         if (wd->title) {
  77                 elm_layout_theme_set(wd->title_layout, "dialoguegroup", "base", "title");
  78                 edje_object_part_text_set(elm_layout_edje_get(wd->title_layout), "text", wd->title);
  79         }
  80         EINA_LIST_FOREACH(wd->items, l, item)
  81                 _change_item_bg( item, item->location );
  82         _sizing_eval(obj);
  83 }
  84
  85 static void
  86 _disable_hook(Evas_Object *obj)
  87 {
  88
  89 }
  90
  91 static void
  92 _sizing_eval(Evas_Object *obj)
  93 {
  94         Widget_Data *wd = elm_widget_data_get(obj);
  95         Evas_Coord minw, minh, maxw, maxh;
  96
  97         if (!wd) return;
  98         evas_object_size_hint_min_get(wd->box, &minw, &minh);
  99         evas_object_size_hint_max_get(wd->box, &maxw, &maxh);
 100         evas_object_size_hint_min_set(obj, minw, minh);
 101         evas_object_size_hint_max_set(obj, maxw, maxh);
 102 }
 103
 104 static void _remove_all(Evas_Object *obj)
 105 {
 106         Widget_Data *wd = elm_widget_data_get(obj);
 107         Dialogue_Item *item;
 108
 109         if (!wd) return;
 110
 111         wd->num = 0;
 112
 113         if (wd->items) {
 114                 EINA_LIST_FREE(wd->items, item) {
 115                         if (item->content){
 116                                 evas_object_del(item->content);
 117                                 item->content = NULL;
 118                         }
 119                         if (item->bg_layout){
 120                                 evas_object_del(item->bg_layout);
 121                                 item->bg_layout = NULL;
 122                         }
 123                         if (item->location)
 124                                 eina_stringshare_del(item->location);
 125                         free(item);
 126                 }
 127         }
 128 }
 129
 130 static void _set_item_theme(Dialogue_Item *item, const char *location)
 131 {
 132         if (!item) return;
 133
 134         if (item->style == ELM_DIALOGUEGROUP_ITEM_STYLE_DEFAULT)
 135                 elm_layout_theme_set(item->bg_layout, "dialoguegroup", "bg", location);
 136         else if (item->style == ELM_DIALOGUEGROUP_ITEM_STYLE_EDITFIELD)
 137                 elm_layout_theme_set(item->bg_layout, "dialoguegroup", "editfield", location);
 138 }
 139
 140 /*
 141 static void _set_line_show(Dialogue_Item *item, Dialogue_Item *after)
 142 {
 143         if(!item || !after) return;
 144
 145         if (item->style == ELM_DIALOGUEGROUP_ITEM_STYLE_DEFAULT) {
 146                 if (after->style == ELM_DIALOGUEGROUP_ITEM_STYLE_DEFAULT) {
 147                         item->line_show = EINA_TRUE;
 148                         edje_object_signal_emit(elm_layout_edje_get(item->bg_layout), "elm,state,line,show", "elm");
 149                 }
 150                 else if (after->style == ELM_DIALOGUEGROUP_ITEM_STYLE_EDITFIELD) {
 151                         item->line_show = EINA_FALSE;
 152                         edje_object_signal_emit(elm_layout_edje_get(item->bg_layout), "elm,state,line,hide", "elm");
 153                 }
 154         }
 155         else if (item->style == ELM_DIALOGUEGROUP_ITEM_STYLE_EDITFIELD)
 156                 item->line_show = EINA_TRUE;
 157 }
 158 */
 159
 160 static void _change_item_bg(Dialogue_Item *item, const char *location)
 161 {
 162         if (!item) return;
 163
 164         eina_stringshare_replace(&item->location, location);
 165         _set_item_theme(item, location);
 166         elm_layout_content_set(item->bg_layout, "swallow", item->content);
 167         if(item->press == EINA_TRUE)
 168                 edje_object_signal_emit(elm_layout_edje_get(item->bg_layout), "elm,state,press,on", "elm");
 169         else
 170                 edje_object_signal_emit(elm_layout_edje_get(item->bg_layout), "elm,state,press,off", "elm");
 171
 172 /*      if(item->line_show == EINA_FALSE)
 173                 edje_object_signal_emit(elm_layout_edje_get(item->bg_layout), "elm,state,line,hide", "elm");*/
 174
 175 }
 176
 177 static Dialogue_Item* _create_item(Evas_Object *obj, Evas_Object *subobj, Elm_Dialoguegroup_Item_Style style, const char *location)
 178 {
 179         Widget_Data *wd = elm_widget_data_get(obj);
 180         Dialogue_Item *item;
 181
 182         if (!wd) return NULL;
 183
 184         item = ELM_NEW(Dialogue_Item);
 185         item->parent = obj;
 186         item->content = subobj;
 187         item->press = EINA_TRUE;
 188         item->style = style;
 189 //      item->line_show = EINA_TRUE;
 190         eina_stringshare_replace(&item->location, location);
 191
 192         item->bg_layout = elm_layout_add(wd->parent);
 193         _set_item_theme(item, location);
 194         evas_object_size_hint_weight_set(item->bg_layout, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 195         evas_object_size_hint_align_set(item->bg_layout, EVAS_HINT_FILL, 0.0);
 196         evas_object_show(item->bg_layout);
 197
 198         elm_layout_content_set(item->bg_layout, "swallow", item->content);
 199
 200         return item;
 201 }
 202
 203 static void _changed_size_hints(void *data, Evas *e, Evas_Object *obj, void *event_info)
 204 {
 205         _sizing_eval(data);
 206 }
 207
 208 /**
 209  * Add a new dialoguegroup to the parent.
 210  *
 211  * @param parent The parent object
 212  * @return The new object or NULL if it cannot be created
 213  *
 214  * @ingroup DialogueGroup
 215  */
 216 EAPI Evas_Object *elm_dialoguegroup_add(Evas_Object *parent)
 217 {
 218         Evas_Object *obj = NULL;
 219         Widget_Data *wd = NULL;
 220
 221         wd = ELM_NEW(Widget_Data);
 222         wd->e = evas_object_evas_get(parent);
 223         if (wd->e == NULL) return NULL;
 224         obj = elm_widget_add(wd->e);
 225         ELM_SET_WIDTYPE(widtype, "dialoguegroup");
 226         elm_widget_type_set(obj, "dialoguegroup");
 227         elm_widget_sub_object_add(parent, obj);
 228         elm_widget_data_set(obj, wd);
 229         elm_widget_del_hook_set(obj, _del_hook);
 230         elm_widget_theme_hook_set(obj, _theme_hook);
 231
 232         wd->parent = parent;
 233         wd->num = 0;
 234
 235         wd->box = elm_box_add(parent);
 236         evas_object_event_callback_add(wd->box, EVAS_CALLBACK_CHANGED_SIZE_HINTS, _changed_size_hints, obj);
 237         evas_object_show(wd->box);
 238         elm_widget_resize_object_set(obj, wd->box);
 239
 240         _sizing_eval(obj);
 241         return obj;
 242 }
 243
 244 /**
 245  * Append an item to the dialogue group.
 246  *
 247  * @param obj dialoguegroup object
 248  * @param subobj item
 249  * @return Dialogue_Item pointer, just made by this function
 250  *
 251  * @ingroup DialogueGroup
 252  */
 253 EAPI Dialogue_Item *
 254 elm_dialoguegroup_append(Evas_Object *obj, Evas_Object *subobj, Elm_Dialoguegroup_Item_Style style)
 255 {
 256         ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 257         Widget_Data *wd = elm_widget_data_get(obj);
 258         Dialogue_Item *item = NULL, *new_item = NULL;
 259
 260         if (!wd || !subobj) return NULL;
 261
 262         if (!wd->items)
 263                 new_item = _create_item(obj, subobj, style, "default");
 264         else {
 265                 if (wd->num == 1) {
 266                         item = eina_list_data_get(wd->items);
 267                         _change_item_bg(item, "top");
 268                 }
 269                 else {
 270                         item = eina_list_data_get( eina_list_last(wd->items) );
 271                         _change_item_bg(item, "middle");
 272                 }
 273                 new_item = _create_item(obj, subobj, style, "bottom");
 274 //              _set_line_show(item, new_item);
 275         }
 276         elm_box_pack_end(wd->box, new_item->bg_layout);
 277         wd->items = eina_list_append(wd->items, new_item);
 278         wd->num++;
 279         _sizing_eval(obj);
 280         return new_item;
 281 }
 282
 283
 284 /**
 285  * Prepend an item to the dialogue group.
 286  *
 287  * @param obj dialoguegroup object
 288  * @param subobj item
 289  * @return Dialogue_Item pointer, just made by this function
 290  *
 291  * @ingroup DialogueGroup
 292  */
 293 EAPI Dialogue_Item *
 294 elm_dialoguegroup_prepend(Evas_Object *obj, Evas_Object *subobj, Elm_Dialoguegroup_Item_Style style)
 295 {
 296         ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 297         Widget_Data *wd = elm_widget_data_get(obj);
 298         Dialogue_Item *item = NULL, *new_item = NULL;
 299
 300         if (!wd || !subobj) return NULL;
 301
 302         if (!wd->items)
 303                 new_item = _create_item(obj, subobj, style, "default");
 304         else {
 305                 if (wd->num == 1) {
 306                         item = eina_list_data_get(wd->items);
 307                         _change_item_bg(item, "bottom");
 308                 }
 309                 else {
 310                         item = eina_list_data_get(wd->items);
 311                         _change_item_bg(item, "middle");
 312                 }
 313                 new_item = _create_item(obj, subobj, style, "top");
 314 //              _set_line_show(new_item, item);
 315         }
 316         if(wd->title_layout)
 317                 elm_box_pack_after(wd->box, new_item->bg_layout, wd->title_layout);
 318         else
 319                 elm_box_pack_start(wd->box, new_item->bg_layout);
 320         wd->items = eina_list_prepend(wd->items, new_item);
 321         wd->num++;
 322         _sizing_eval(obj);
 323         return new_item;
 324 }
 325
 326 /**
 327  * Insert an item to the dialogue group just after the specified item.
 328  *
 329  * @param obj dialoguegroup object
 330  * @param subobj item
 331  * @param after specified item existing in the dialogue group
 332  * @return Dialogue_Item pointer, just made by this function
 333  *
 334  * @ingroup DialogueGroup
 335  */
 336 EAPI Dialogue_Item *
 337 elm_dialoguegroup_insert_after(Evas_Object *obj, Evas_Object *subobj, Dialogue_Item *after, Elm_Dialoguegroup_Item_Style style)
 338 {
 339         ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 340         Widget_Data *wd = elm_widget_data_get(obj);
 341         Dialogue_Item *after_item = NULL, *item = NULL;
 342         Eina_List *l;
 343
 344         if (!wd || !subobj || !after || !wd->items) return NULL;
 345
 346         EINA_LIST_FOREACH(wd->items, l, after_item) {
 347                 if(after == after_item) {
 348                         if( !strcmp(after_item->location, "default") ) {
 349                                 _change_item_bg(after_item, "top");
 350                                 item = _create_item(obj, subobj, style, "bottom");
 351                         }
 352                         else if( !strcmp(after_item->location, "top") || !strcmp(after_item->location, "middle") )
 353                                 item = _create_item(obj, subobj, style, "middle");
 354                         else if( !strcmp(after_item->location, "bottom") ) {
 355                                 _change_item_bg(after_item, "middle");
 356                                 item = _create_item(obj, subobj, style, "bottom");
 357                         }
 358
 359                         elm_box_pack_after(wd->box, item->bg_layout, after_item->bg_layout);
 360                         wd->items = eina_list_append_relative(wd->items, item, after_item);
 361                 //      _set_line_show(after, item);
 362                 }
 363         }
 364
 365         wd->num++;
 366         _sizing_eval(obj);
 367         return item;
 368 }
 369
 370 /**
 371  * Insert an item to the dialogue group just before the specified item.
 372  *
 373  * @param obj dialoguegroup object
 374  * @param subobj item
 375  * @param before specified item existing in the dialogue group
 376  * @return Dialogue_Item pointer, just made by this function
 377  *
 378  * @ingroup DialogueGroup
 379  */
 380 EAPI Dialogue_Item *
 381 elm_dialoguegroup_insert_before(Evas_Object *obj, Evas_Object *subobj, Dialogue_Item *before, Elm_Dialoguegroup_Item_Style style)
 382 {
 383         ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 384         Widget_Data *wd = elm_widget_data_get(obj);
 385         Dialogue_Item *before_item = NULL, *item = NULL;
 386         Eina_List *l;
 387         Eina_List *prev;
 388
 389         if (!wd || !subobj || !before || !wd->items) return NULL;
 390
 391         EINA_LIST_FOREACH(wd->items, l, before_item) {
 392                 if(before == before_item) {
 393                         if( !strcmp(before_item->location, "default") ) {
 394                                 _change_item_bg(before_item, "bottom");
 395                                 item = _create_item(obj, subobj, style, "top");
 396                         }
 397
 398                         else if( !strcmp(before_item->location, "top") ) {
 399                                 _change_item_bg(before_item, "middle");
 400                                 item = _create_item(obj, subobj, style, "top");
 401                         }
 402
 403                         else if( !strcmp(before_item->location, "middle") || !strcmp(before_item->location, "bottom") ) {
 404                                 item = _create_item(obj, subobj, style, "middle");
 405                                 prev = eina_list_prev(l);
 406                         //      _set_line_show(prev->data, item);
 407                         }
 408                         elm_box_pack_before(wd->box, item->bg_layout, before_item->bg_layout);
 409                         wd->items = eina_list_prepend_relative(wd->items, item, before_item);
 410                 }
 411         }
 412
 413         wd->num++;
 414         _sizing_eval(obj);
 415         return item;
 416 }
 417
 418 /**
 419  * Remove an item from the dialogue group.
 420  *
 421  * @param obj dialoguegroup object
 422  * @param subobj item
 423  *
 424  * @ingroup DialogueGroup
 425  */
 426 EAPI void
 427 elm_dialoguegroup_remove(Dialogue_Item *item)
 428 {
 429         ELM_CHECK_WIDTYPE(item->parent, widtype) ;
 430         Dialogue_Item *current_item;
 431         Widget_Data *wd = elm_widget_data_get(item->parent);
 432         Eina_List *l;
 433
 434         if (!wd || !wd->items || !item) return ;
 435
 436         EINA_LIST_FOREACH(wd->items, l, current_item) {
 437                 if (current_item == item) {
 438                         if (current_item->content){
 439                                 evas_object_del(current_item->content);
 440                                 current_item->content = NULL;
 441                         }
 442                         if (current_item->bg_layout){
 443                                 evas_object_del(current_item->bg_layout);
 444                                 current_item->bg_layout = NULL;
 445                         }
 446                         elm_box_unpack(wd->box, current_item->bg_layout);
 447                         wd->items = eina_list_remove(wd->items, current_item);
 448                 }
 449         }
 450
 451         wd->num--;
 452
 453         if (wd->num == 0) return;
 454
 455         if (wd->num == 1) {
 456                 current_item = eina_list_data_get(wd->items);
 457                 _change_item_bg(current_item, "default");
 458         }
 459
 460         else {
 461                 current_item = eina_list_data_get(wd->items);
 462                 _change_item_bg(current_item, "top");
 463                 current_item = eina_list_data_get( eina_list_last(wd->items) );
 464                 _change_item_bg(current_item, "bottom");
 465         }
 466
 467         _sizing_eval(item->parent);
 468 }
 469
 470 /**
 471  * Remove all items from the dialogue group.
 472  *
 473  * @param obj dialoguegroup object
 474  *
 475  * @ingroup DialogueGroup
 476  */
 477 EAPI void
 478 elm_dialoguegroup_remove_all(Evas_Object *obj)
 479 {
 480         ELM_CHECK_WIDTYPE(obj, widtype);
 481         _remove_all(obj);
 482         _sizing_eval(obj);
 483 }
 484
 485
 486 /**
 487  * Set the title text of the  dialogue group.
 488  *
 489  * @param obj dialoguegroup object
 490  * @param title title text, if NULL title space will be disappeared
 491  *
 492  * @ingroup DialogueGroup
 493  */
 494 EAPI void
 495 elm_dialoguegroup_title_set(Evas_Object *obj, const char *title)
 496 {
 497         ELM_CHECK_WIDTYPE(obj, widtype);
 498         Widget_Data *wd = elm_widget_data_get(obj);
 499
 500         if (!wd) return ;
 501         eina_stringshare_replace(&wd->title, title);
 502         if (!title) {
 503                 wd->title = NULL;
 504                 elm_box_unpack(wd->box, wd->title_layout);
 505         }
 506         if (!wd->title_layout) {
 507                 wd->title_layout = elm_layout_add(wd->parent);
 508                 elm_widget_sub_object_add(obj, wd->title_layout);
 509                 elm_layout_theme_set(wd->title_layout, "dialoguegroup", "base", "title");
 510                 evas_object_size_hint_weight_set(wd->title_layout, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 511                 evas_object_size_hint_align_set(wd->title_layout, EVAS_HINT_FILL, 0.0);
 512                 evas_object_show(wd->title_layout);
 513         }
 514         edje_object_part_text_set(elm_layout_edje_get(wd->title_layout), "text", title);
 515         elm_box_pack_start(wd->box, wd->title_layout);
 516 }
 517
 518 /**
 519  * Get the title text of the dialogue group
 520  *
 521  * @param obj The dialoguegroup object
 522  * @return The text title string in UTF-8
 523  *
 524  * @ingroup DialogueGroup
 525  */
 526 EAPI const char *
 527 elm_dialoguegroup_title_get(Evas_Object *obj)
 528 {
 529    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 530    Widget_Data *wd = elm_widget_data_get(obj);
 531    if (!wd) return NULL;
 532    return wd->title;
 533 }
 534
 535 /**
 536  * Set whether the press effect will be shown or not
 537  *
 538  * @param obj The dialoguegroup object
 539  * @param item Dialogue_Item pointer
 540  * @param press If set as 1, press effect will be shown
 541  *
 542  * @ingroup DialogueGroup
 543  */
 544 EAPI void
 545 elm_dialoguegroup_press_effect_set(Dialogue_Item *item, Eina_Bool press)
 546 {
 547    ELM_CHECK_WIDTYPE(item->parent, widtype) ;
 548    if(!item) return;
 549
 550    item->press = press;
 551    if(press == EINA_TRUE)
 552            edje_object_signal_emit(elm_layout_edje_get(item->bg_layout), "elm,state,press,on", "elm");
 553    else
 554            edje_object_signal_emit(elm_layout_edje_get(item->bg_layout), "elm,state,press,off", "elm");
 555 }
 556
 557 /**
 558  * Get the press effect state
 559  *
 560  * @param obj The dialoguegroup object
 561  * @param item Dialogue_Item pointer
 562  * @return 1 if press effect on, 0 if press effect off
 563  *
 564  * @ingroup DialogueGroup
 565  */
 566 EAPI Eina_Bool
 567 elm_dialoguegroup_press_effect_get(Dialogue_Item *item)
 568 {
 569    ELM_CHECK_WIDTYPE(item->parent, widtype) EINA_FALSE;
 570    if(!item) return EINA_FALSE;
 571
 572    return item->press;
 573 }
 574
 575 /**
 576  * Get the conetent object from the specified dialogue item
 577  *
 578  * @param obj The dialoguegroup object
 579  * @param item Dialogue_Item pointer
 580  * @return content object
 581  *
 582  * @ingroup DialogueGroup
 583  */
 584 EAPI Evas_Object *
 585 elm_dialoguegroup_item_content_get(Dialogue_Item *item)
 586 {
 587    ELM_CHECK_WIDTYPE(item->parent, widtype) EINA_FALSE;
 588    if(!item) return EINA_FALSE;
 589
 590    return item->content;
 591 }